Marmatite from British and Irish Isles
UK | |
| Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London. Shaw, W. T. (1972) Mining in the Lake Counties (2nd ed.) Dalesman Books, Clapham, Lancaster. |
| Williams, James (1973) The antimony, bismuth, molybdenum and tungsten minerals of south-west Scotland. Transactions of the Dumfriesshire and Galloway Natural History and Antiquarian Society, S. 3 Vol. 50. 1-4 |
Smallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK